html,body{
    width:100%;
    height: 100%;
}
.div_bgimg{
    background-repeat: no-repeat;
    -moz-background-size:cover;
    -webkit-background-size:cover;
    -o-background-size:cover;
    background-size:cover;
    background-position:center;
}
.s1{
    background-image: url(../image/banner.png);
}
.ss1{
    background-image: url(../image/show1.png);
}
.ss2{
    background-image: url(../image/show2.png);
}
.ss3{
    background-image: url(../image/show3.png);
}
.ss4{
    background-image: url(../image/show4.png);
}
.div_app{
    width: 50%;
    padding-top: 30%;
    margin-left: auto;
    margin-right: auto;
}
.div_points{
    width: 60%;
    margin-left: auto;
    margin-right: auto;
}
.div_point{
    width: 33%;
    float:left;
}

.img_icon{
    margin-left: auto;
    margin-right: auto;
    width: 100px;
    height: 100px;
    text-align: center;
    -moz-background-size:cover;
    -webkit-background-size:cover;
    -o-background-size:cover;
    background-size:cover;
}


.market{
    background-image: url(../image/market.jpg);
}
.business{
    background-image: url(../image/business.jpg);
}
.mediatype{
    background-image: url(../image/media.png);
}
.logo{
    background-image: url(../image/logo.png);
}
.weixin{
    background-image: url(../image/weixin.jpg);
}
.weibo{
    background-image: url(../image/weibo.jpg);
}

.text-center{
    text-align: center;
}

/*
.banner { position: relative; overflow: auto; }
    .banner li { list-style: none; }
        .banner ul li { float: left; }
*/